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Full text of "Handbook Of Chemical Engineering - I"

144
CHEMICAL ENGINEERING
General Properties of Gases.—Gases when compressed or expanded isotherm-ally approximately follow the law pv = RmT, where p = pressure, v = volume, R is the so-called gas constant (approximately 0.08207), m the mass of the gas in grams and T the absolute temperature (Boyle's law). A more nearly correct
expression is given by van der Waals' equation (p +^j) (v + V) ~ k, where a and TABLE 2.—SPECIFIC GRAVITY ANI> ABSOLUTE WEIGHT OF GASES
Gas	Formula	Molecular weight 0-16	Weight of 1 1. in grams a1 0°C. and 760mm. pressure	Specific gravity Air = 1	Weight of 1 cu. ft.   in pound at 32°F. and 29.92 in. pressure	Critical temperature, degree Centigrade	Critical pressures atmospheres
Acetylene. ... .................	C2H2	26.016	1 . 1708	0.90561	0.07309	35.5	61.7
Air            .                   ..........			1.2928	1.0000	0.08071	-220.0	39.0
Aldehyde ......................	C2H40	44.032	1.9811	1 . 5324	0.12368		
	NHa	17.034	0.7708	0.59623	0.04812	131.0	113.0
Alcohol, ethyl    ..............	C2H6OH	46.048	2.0862	1.6137	0.13024	243.1	62.96
Alcohol amyl              ....... ....	CsHnOH	88.096	4.0696	3.1479	0.25406		
Alcohol methyl      *              .....	CH3OH	32.032	1.4483	1.1203	0.09042		
	Ar	39.88	1.7809	1.3776	0.11118	-122.4	48.0
	AsHs	77.984	3.4589	2.6755	0.21593		
	CeHe	78.048	3.5821	2.7708	0.22362	288.5	47.9
Boron chloride            ...........	BCla	117.38	5.09	3.937	0.1377		
	BFs	68.00	2.99	2.312	0.1867		
	Brz	159.84	7.1437	5.5258	0.44597	302.2	
Butane    .....................	C4Hio	58.08	2.65	2.050	0.1654		
Carbon dioxide     .............	COa	44.00	1.9768	1.5291	0.12341	31.1	73.0
Carbon monoxide      ...........	CO	28.00	1 . 2504	3.96720	3.07806	-133.5	35.5
	COCla	98.92	4.47	3.457	3.2791		
	COS	60.07	2.721	2.1047	0.16987	105.0	
	C2N2	52.05	2.335	1.806	0.14577		
Chlorine                 .............	Ch	70.92	3.222	2.4923	0.20114	146.0	83.9
Chlorine monoxide         ........	C120	86.92	3.8820	3.0028	0.24235		
	CIO*	67.96	3.0192	2.3354	0.18848		
Ethane                                ........	C2Hc	30.048	1.3562	1 . 0496	3.08467	32.1	49.0
	C2H4	28.032	1.2609	0.97532	0.07872	9.5	50.8
	F2	38.00	1.635	1 . 2647	0.1021		
	He	4.002	0.1782	0.1378	0.01112	-207.8	2.26
	HBr	80.928	3.50	2.707	0.2185		
	HC1	36.468	1.6392	1.26794	3.10233	51.8	83.6
Hydrofluoric acid      ............	HF	20.008	0.9220	0.71318	0.05756		
	HI	127.928	3.657	2.8287	0.22830	150.7	
	H2	2.016	0 . 08987	0.069516	0.005610	-241. 1	11.0
Hydrogen a/rsenide         .........	AsHs	77.984	3.4589	2.6755	3.21593		
	H2Se	81.216	3.628	2.80639	0.22650	137.0	91.0
Hydrogen sulphide         .........	H2S	34.086	1.539	1.1904	0.09607	100.4	89.3
	PH3	34 . 064	1.5293	1.18293	3.09547		
Hydrogen telluride       .........	H2Te	129.516	5.80	4.486	0.3621		
Hydrocyanic acid	HCN	27.018	1.226	).9483	0.05920		
Iodine ........................	la	253.84	11.271	8.7183	0.70363	512.0	
JKrypton   .        ................	Kr	82.92	3.708	2.8682	0.23148	-  02.5	41.24
IVIetnane                ............	CH4	16.032	0.7168	3.55446	3.04475	-  81.8	54 . 9
Methyl chloride ................	CH3C1	50.484	2.3045	1.78261	0.14387		
IVtercury                     ...........	Hg	200.6	9.0210	3.97850	3.56317	1270.0	
Neon ........................	Ne	20.0	0 . 9002	0.69634	0.05620	-205.0	29.0
Nitrogen             .         ...........	N2	28.02	1 . 2057	). 93265	3.07527	-145. 1	33 . 6
Nitrous oxide    ................	N20	44.02	1.9782	1.53021	0 . 1 2350	30.5	71 .05
•Nitric oxide .          ............	NO	30.01	1.3402	1.03669	3 . 08367	-  33.5	71.2
Nitrogen, tetroxide	N204	92.02	4.1133	3.18178	0.25679		
Nitrogen tetroxide  ........	N02	46.01	2 . 0567	1 . 59092	0.12840		
Nitrosyl chloride ...............	NOC1	65.47	2.9253	2.26282	3. 182(52	167.0	
Oxygen                 .       ..........	O2	32.00	1.4291	1 . 02803	0.08921	-118.8	50 . 8
	CsHl2	72 096				380 0	34 0
Phosphine.       ........ . .....	PH3	34 . 064	1.5193	1 . 09788	0 . 09487	51.3	G4 . 5
Phosphorus	?4	124.16	5.6318	4.35639	0.35158		
Propane. . .   .       ..............	CaHs	44 . 064	1.9660	1 . 558	). 12273		
Propylene	Calle	42.048	1.8783	1.45293	3. 11726		
Silicon fluoride ................	SiF4	104.3	4.684	3 . 06490	0.29093		
Sulphur dioxide	S0«	64.07	2.9266	2 . 26390	0.18264	157.0	78.0
Xenon ........................	Xe	130.2	5.851	3.7524	0.36527	14.7	43.5
Radium emanation	Nt	222.4	9.727	7.5421	0 60724		
Water	H20	18 016	0 8063	0 6237	0 050336	364.3	194.6